Transcutaneous electrical nerve stimulator



FIG. 1 is a perspective view of a transcutaneous electrical nerve stimulator, showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a rear elevational view thereof; and

FIG. 4 is a side elevational view thereof, opposite that shown in FIG. 2. 

The ornamental design for a transcutaneous electrical nerve stimulator, as shown. 